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RetroArch/menu/menu_setting.h

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _MENU_SETTING_H
#define _MENU_SETTING_H
#include <stdint.h>
#include <stdlib.h>
#include <boolean.h>
#include <file/file_list.h>
#include "../command_event.h"
#define BINDFOR(s) (*(&(s))->value.keybind)
#ifdef __cplusplus
extern "C" {
#endif
enum setting_type
{
ST_NONE = 0,
ST_ACTION,
ST_BOOL,
ST_INT,
ST_UINT,
ST_FLOAT,
ST_PATH,
ST_DIR,
ST_STRING,
ST_HEX,
ST_BIND,
ST_GROUP,
ST_SUB_GROUP,
ST_END_GROUP,
ST_END_SUB_GROUP
};
enum setting_flags
{
SD_FLAG_PATH_DIR = (1 << 0),
SD_FLAG_PATH_FILE = (1 << 1),
SD_FLAG_ALLOW_EMPTY = (1 << 2),
SD_FLAG_VALUE_DESC = (1 << 3),
SD_FLAG_HAS_RANGE = (1 << 4),
SD_FLAG_ALLOW_INPUT = (1 << 5),
SD_FLAG_IS_DRIVER = (1 << 6),
SD_FLAG_EXIT = (1 << 7),
SD_FLAG_CMD_APPLY_AUTO = (1 << 8),
SD_FLAG_IS_DEFERRED = (1 << 9),
SD_FLAG_BROWSER_ACTION = (1 << 10),
SD_FLAG_ADVANCED = (1 << 11)
};
enum setting_list_flags
{
SL_FLAG_MAIN_MENU = (1 << 0),
SL_FLAG_MAIN_MENU_SETTINGS = (1 << 1),
SL_FLAG_DRIVER_OPTIONS = (1 << 2),
SL_FLAG_CORE_OPTIONS = (1 << 3),
SL_FLAG_CONFIGURATION_OPTIONS = (1 << 4),
SL_FLAG_REWIND_OPTIONS = (1 << 5),
SL_FLAG_VIDEO_OPTIONS = (1 << 6),
SL_FLAG_SHADER_OPTIONS = (1 << 7),
SL_FLAG_FONT_OPTIONS = (1 << 8),
SL_FLAG_AUDIO_OPTIONS = (1 << 9),
SL_FLAG_INPUT_OPTIONS = (1 << 10),
SL_FLAG_INPUT_HOTKEY_OPTIONS = (1 << 11),
SL_FLAG_OVERLAY_OPTIONS = (1 << 12),
SL_FLAG_MENU_OPTIONS = (1 << 13),
SL_FLAG_MULTIMEDIA_OPTIONS = (1 << 14),
SL_FLAG_UI_OPTIONS = (1 << 15),
SL_FLAG_CORE_UPDATER_OPTIONS = (1 << 16),
SL_FLAG_NETPLAY_OPTIONS = (1 << 17),
SL_FLAG_USER_OPTIONS = (1 << 18),
SL_FLAG_DIRECTORY_OPTIONS = (1 << 19),
SL_FLAG_PRIVACY_OPTIONS = (1 << 20),
SL_FLAG_PLAYLIST_OPTIONS = (1 << 21),
SL_FLAG_MENU_BROWSER_OPTIONS = (1 << 22),
SL_FLAG_PATCH_OPTIONS = (1 << 23),
SL_FLAG_RECORDING_OPTIONS = (1 << 24),
SL_FLAG_FRAME_THROTTLE_OPTIONS= (1 << 25),
SL_FLAG_LOGGING_OPTIONS = (1 << 26),
SL_FLAG_SAVING_OPTIONS = (1 << 27),
SL_FLAG_ALL = (1 << 28),
SL_FLAG_ALLOW_EMPTY_LIST = (1 << 29)
};
#define SL_FLAG_ALL_SETTINGS (SL_FLAG_ALL - SL_FLAG_MAIN_MENU)
typedef void (*change_handler_t )(void *data);
typedef int (*action_left_handler_t )(void *data, bool wraparound);
typedef int (*action_right_handler_t )(void *data, bool wraparound);
typedef int (*action_up_handler_t )(void *data);
typedef int (*action_down_handler_t )(void *data);
typedef int (*action_start_handler_t )(void *data);
typedef int (*action_iterate_handler_t )(unsigned action);
typedef int (*action_cancel_handler_t )(void *data);
typedef int (*action_ok_handler_t )(void *data, bool wraparound);
typedef int (*action_select_handler_t )(void *data, bool wraparound);
typedef void (*get_string_representation_t )(void *data, char *s, size_t len);
typedef struct rarch_setting_info
{
int index;
int size;
} rarch_setting_info_t;
typedef struct rarch_setting_group_info
{
const char *name;
} rarch_setting_group_info_t;
typedef struct rarch_setting
{
enum setting_type type;
uint32_t size;
const char *name;
uint32_t name_hash;
const char *short_description;
const char *group;
const char *subgroup;
const char *parent_group;
const char *values;
uint32_t index;
uint32_t index_offset;
double min;
double max;
uint64_t flags;
change_handler_t change_handler;
change_handler_t deferred_handler;
change_handler_t read_handler;
action_start_handler_t action_start;
action_iterate_handler_t action_iterate;
action_left_handler_t action_left;
action_right_handler_t action_right;
action_up_handler_t action_up;
action_down_handler_t action_down;
action_cancel_handler_t action_cancel;
action_ok_handler_t action_ok;
action_select_handler_t action_select;
get_string_representation_t get_string_representation;
union
{
bool boolean;
int integer;
unsigned int unsigned_integer;
float fraction;
const char *string;
const struct retro_keybind *keybind;
} default_value;
union
{
bool *boolean;
int *integer;
unsigned int *unsigned_integer;
float *fraction;
char *string;
struct retro_keybind *keybind;
} value;
union
{
bool boolean;
int integer;
unsigned int unsigned_integer;
float fraction;
} original_value;
struct
{
const char *empty_path;
} dir;
struct
{
enum event_command idx;
bool triggered;
} cmd_trigger;
struct
{
const char *off_label;
const char *on_label;
} boolean;
unsigned bind_type;
unsigned browser_selection_type;
float step;
const char *rounding_fraction;
bool enforce_minrange;
bool enforce_maxrange;
} rarch_setting_t;
void menu_setting_apply_deferred(void);
int menu_setting_set_flags(rarch_setting_t *setting);
int menu_setting_generic(rarch_setting_t *setting, bool wraparound);
int menu_setting_set(unsigned type, const char *label,
unsigned action, bool wraparound);
/**
* menu_setting_find:
* @name : name of setting to search for
*
* Search for a setting with a specified name (@name).
*
* Returns: pointer to setting if found, NULL otherwise.
**/
rarch_setting_t *menu_setting_find(const char *label);
/**
* setting_set_with_string_representation:
* @setting : pointer to setting
* @value : value for the setting (string)
*
* Set a settings' value with a string. It is assumed
* that the string has been properly formatted.
**/
int setting_set_with_string_representation(
rarch_setting_t* setting, const char *value);
/**
* setting_get_string_representation:
* @setting : pointer to setting
* @s : buffer to write contents of string representation to.
* @len : size of the buffer (@s)
*
* Get a setting value's string representation.
**/
void setting_get_string_representation(void *data, char *s, size_t len);
/**
* setting_get_description:
* @label : identifier label of setting
* @s : output message
* @len : size of @s
*
* Writes a 'Help' description message to @s if there is
* one available based on the identifier label of the setting
* (@label).
*
* Returns: 0 (always for now). TODO: make it handle -1 as well.
**/
int setting_get_description(const char *label, char *s, size_t len);
/**
* setting_get_label:
* @list : File list on which to perform the search
* @s : String for the type to be represented on-screen as
* a label.
* @len : Size of @s.
* @w : Width of the string (for text label representation
* purposes in the menu display driver).
* @type : Identifier of setting.
* @menu_label : Menu Label identifier of setting.
* @label : Label identifier of setting.
* @idx : Index identifier of setting.
*
* Get associated label of a setting.
**/
void setting_get_label(file_list_t *list, char *s,
size_t len, unsigned *w, unsigned type,
const char *menu_label, const char *label, unsigned idx);
void menu_setting_free(rarch_setting_t *list);
/**
* setting_new:
* @mask : Bitmask of settings to include.
*
* Request a list of settings based on @mask.
*
* Returns: settings list composed of all requested
* settings on success, otherwise NULL.
**/
rarch_setting_t* menu_setting_new(unsigned mask);
bool menu_setting_is_of_path_type(rarch_setting_t *setting);
bool menu_setting_is_of_general_type(rarch_setting_t *setting);
bool menu_setting_is_of_numeric_type(rarch_setting_t *setting);
bool menu_setting_is_of_enum_type(rarch_setting_t *setting);
int menu_action_handle_setting(rarch_setting_t *setting,
unsigned type, unsigned action, bool wraparound);
#ifdef __cplusplus
}
#endif
#endif
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